<!--
 * @Author: your name
 * @Date: 2020-12-20 16:47:57
 * @LastEditTime: 2020-12-20 20:38:40
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: /vue_shop/src/components/Login.vue
-->
<template>
  <div class="login_container">
      <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
                <!-- 登陆表单 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form" >
                <!-- username -->
                <el-form-item  prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- password -->
                <el-form-item prop="password" >
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <!-- button -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">login</el-button>
                    <el-button type="info" @click="loginFormRef">reset</el-button>
                </el-form-item>
            </el-form>
      </div>

  </div>
</template>
<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      }, // 登陆数据绑定对象
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 16 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    loginFormRef () { // 点击重置按钮
      this.$refs.loginFormRef.resetFields()
    },
    login () { // 表单预验证
      this.$refs.loginFormRef.validate(async valid => { // async 异步
        // console.log(valid)
        if (!valid) return
        // const result = await this.$http.post('login', this.loginForm) // await 简化 promise操作
        const { data: res } = await this.$http.post('login', this.loginForm) // await 简化 promise操作
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('login fail') // console.log('login faild')
        // console.log('login sucess')
        this.$message.success('login success')
        console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4d6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #ddd;
    }
  }
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;//指定两个box 接壤
}
</style>>
